Composition and method to remove asbestos

Patent · 19 May 1998

OSTI ID:871549

Block, Jacob ^[1]

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1. Rockville, MD

A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of phosphoric acid, and from about 0.1 to about 4% by weight of a source of fluoride ions. A method of transforming the asbestos-containing material into a non-asbestos material using the present composition also is disclosed.

• Research Organization: ASSOC UNIVERSITIES INC
• DOE Contract Number: AC02-76CH00016
• Assignee: W. R. Grace & Co.-Conn. (New York, NY)
• Patent Number(s): US 5753032
• Application Number: 08/721,856
• OSTI ID: 871549
• Country of Publication: United States
• Language: English

Related Subjects

/106/423/427/428/588/
30
acid
asbestos
asbestos-containing
asbestos-containing material
chrysotile
chrysotile asbestos
chrysotile asbestos-containing
composition
composition comprises
comprises
comprises water
containing material
disclosed
fluoride
material
method
non-asbestos
non-asbestos material
phosphoric
phosphoric acid
remove
remove asbestos
source
transforming
water
weight